Diamond



FIG. 1 is a top plan view of a diamond showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view of a diamond showing a modified form of my new design;

FIG. 6 is an end elevational view thereof;

FIG. 7 is a side elevational view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a diamond, as shown and described. 